1781972080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3182093}}^1$

素因数の和:3182113

約数の個数: 40

約数和(自身を含む): 4734955872

約数和(自身を除く): 2952983792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3182093, 6364186, 12728372, 15910465, 22274651, 25456744, 31820930, 44549302, 50913488, 63641860, 89098604, 111373255, 127283720, 178197208, 222746510, 254567440, 356394416, 445493020, 890986040, 1781972080]

約数ペア:

[(1, 1781972080), (2, 890986040), (4, 445493020), (5, 356394416), (7, 254567440), (8, 222746510), (10, 178197208), (14, 127283720), (16, 111373255), (20, 89098604), (28, 63641860), (35, 50913488), (40, 44549302), (56, 31820930), (70, 25456744), (80, 22274651), (112, 15910465), (140, 12728372), (280, 6364186), (560, 3182093)]